Membership in the credit union is voluntary and is open to all citizens bound by with joint work or residence, who wished to create a credit union to use its services and are willing to take on relevant commitments and responsibilities. To date, credit unions - virtually the only form of financial institution where people can quickly and without any problems get a relatively inexpensive cash loan. Credit unions attract people in the first place by the opportunity to get cash loan (credit) - quickly and relatively inexpensively. Like the credit cooperatives, credit unions form associations of a higher level, which are called corporate credit unions. Credit union promotes the effective conservation of personal funds of its members, giving them the loans from the funds of the credit union, as well as the sharing of savings in education, housing, health care and other programs of social support and social development of its members. Membership in the credit union forms responsible citizens and conscientious attitude to their obligations as a norm of behavior, identify the value of a decent man's reputation in the business turnover. Taking a decision to join a credit union, citizens create an organization through which they participate in the shared savings by mutual crediting and joint (collective) use of personal savings. In some cases, the initiators of credit unions can be trade unions, associations such as social support centers and others. Worldwide credit union movement is represented by regional confederations and national organizations within the World Council of Credit Unions.